(CNN) -- "Harry Potter and the Half-Blood Prince" hit thousands of theater screens across the country at midnight Wednesday.

Ginny Weasley and Harry Potter develop a romance in "Harry Potter and the Half-Blood Prince."

Since then, fans have been buzzing about some of the film's most impressive scenes -- including one called "I killed Sirius Black."

In the scene, Potter is confronted by Death Eater Bellatrix Lestrange, who is creating mischief for both the boy wizard and his latest crush, Ginny Weasley. (Death Eaters are followers of the series villain, Voldemort.)